/*************************************************************************
  > File Name: ThreeDieVector.cpp
  > Author: 16hxliang3
  > Mail: 16hxliang3@stu.edu.cn 
  > Created Time: Tue 17 May 2022 08:54:20 AM CST
 ************************************************************************/

#include<iostream>
#include <vector>
struct RefInstance
{
    uint32_t insIndex, portIndex;
};
int main()
{
  std::vector<std::vector<std::vector<RefInstance>>> i;
}
